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Scientists find a particle only visible with an electron microscope and is the shape of a soccer ball. the particle is non-cellular but has a dna core. the core is enclosed in a protein coat and the coat has spike-like projections all over its surface. this must be a(n)

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metchelle
I had to look for the options the answer that fits the blank provided above is the term VIRUS. Based on the given description above by a scientist, we can conclude that it is a virus because it is visible with an electron microscope having a shape of a soccer ball. It is non-cellular but possesses a DNA core which is covered by a protein coat that has spike-like projections. 
it is a virus

i hoped this helps

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